Figure 2.

Odds of carriage of Escherichia coli resistant to ampicillin, tetracycline, trimethoprim, sulfamethoxazole, and streptomycin, and of multidrug-resistant E coli, relative to milk consumption for households that boil and do not boil milk

Lines shown as transparent are for values exceeding two SDs above the mean milk consumption (x-axis) for the ethnic group. Odds of resistance refers to the odds that an isolate from a household exhibited resistance to that particular antibiotic. On the y-axis of the histograms, “Frequency” refers to the proportion of households. Other antibiotics were not included in the models because of an overall low prevalence across ethnic groups (figure 1).